| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.artemis.impl; |
| |
| import org.onosproject.artemis.ArtemisEventListener; |
| import org.onosproject.artemis.ArtemisService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.event.AbstractListenerManager; |
| import org.onosproject.net.config.ConfigFactory; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.onosproject.net.config.basics.SubjectFactories; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Optional; |
| |
| @Component(immediate = true, service = ArtemisService.class) |
| public class ArtemisManager |
| extends AbstractListenerManager<ArtemisEvent, ArtemisEventListener> |
| implements ArtemisService { |
| |
| private static final String ARTEMIS_APP_ID = "org.onosproject.artemis"; |
| private static final Class<ArtemisConfig> CONFIG_CLASS = ArtemisConfig.class; |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private final InternalNetworkConfigListener configListener = |
| new InternalNetworkConfigListener(); |
| /* Services */ |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private NetworkConfigRegistry registry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private NetworkConfigService configService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private CoreService coreService; |
| |
| /* Variables */ |
| private ApplicationId appId; |
| private ArtemisConfig artemisConfig; |
| |
| |
| /* Config */ |
| private ConfigFactory<ApplicationId, ArtemisConfig> artemisConfigFactory = |
| new ConfigFactory<ApplicationId, ArtemisConfig>( |
| SubjectFactories.APP_SUBJECT_FACTORY, ArtemisConfig.class, "artemis") { |
| @Override |
| public ArtemisConfig createConfig() { |
| return new ArtemisConfig(); |
| } |
| }; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(ARTEMIS_APP_ID); |
| configService.addListener(configListener); |
| registry.registerConfigFactory(artemisConfigFactory); |
| |
| eventDispatcher.addSink(ArtemisEvent.class, listenerRegistry); |
| |
| log.info("Artemis Service Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| configService.removeListener(configListener); |
| registry.unregisterConfigFactory(artemisConfigFactory); |
| |
| eventDispatcher.removeSink(ArtemisEvent.class); |
| |
| log.info("Artemis Service Stopped"); |
| } |
| |
| @Override |
| public Optional<ArtemisConfig> getConfig() { |
| return Optional.ofNullable(artemisConfig); |
| } |
| |
| private class InternalNetworkConfigListener implements NetworkConfigListener { |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| switch (event.type()) { |
| case CONFIG_REGISTERED: |
| case CONFIG_UNREGISTERED: { |
| break; |
| } |
| case CONFIG_REMOVED: { |
| if (event.configClass() == CONFIG_CLASS) { |
| artemisConfig = null; |
| } |
| break; |
| } |
| case CONFIG_UPDATED: |
| case CONFIG_ADDED: { |
| if (event.configClass() == CONFIG_CLASS) { |
| event.config().ifPresent(config -> artemisConfig = (ArtemisConfig) config); |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| |
| } |
| |
| } |